4 Channels
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HRX-434
4CH Pentabrid DVR
HRX-435
4CH Pentabrid DVR
HRX-420
4CH Pentabrid DVR
HRX-421
4CH Pentabrid DVR
Discontinued
SRD-450
4CH H.264 Digital Video Recorder
Discontinued
HRD-442
4CH 4M H.264 AHD DVR
Discontinued
HRD-440
4CH 4M H.264 AHD DVR
Discontinued
SRD-494
4CH 1080p H.264 AHD Real-time DVR
Discontinued
SRD-440
4CH H.264 Premium Digital Video Recorder
Discontinued
SRD-442
4CH CIF H.264 Digital Video Recorder
Discontinued
SRD-443
4CH CIF Real-time H.264 DVR
Discontinued
SRD-473D
4CH 4CIF Real-time H.264 DVR
Discontinued
SRD-476D
4CH 1280H Real-time Coaxial DVR
Discontinued
SRD-480D
4CH HD cctv H.264 Digital Video Recorder
Discontinued
SRD-482
4CH HD-SDI DVR
Discontinued
SRD-445
4CH 960H Real-time Compact Design Coaxial DVR
